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Cheap flights from Portsmouth to Japan from £713

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FUK
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Japan

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Japan
Explore the most affordable flight options available from Portsmouth to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2026.

Mon 15/619:20
SOU
-
NRT
2 stops53h 50m
Multiple Airlines
Mon 22/611:00
NRT
-
SOU
2 stops34h 45m
Multiple Airlines
Deal found 30/4£766
Thu 28/520:00
SOU
-
NRT
2 stops32h 35m
Multiple Airlines
Thu 4/618:15
NRT
-
SOU
2 stops33h 15m
Multiple Airlines
Deal found 30/4£814
Tue 12/520:00
SOU
-
NRT
2 stops32h 35m
Multiple Airlines
Thu 21/518:15
NRT
-
SOU
2 stops33h 15m
Multiple Airlines
Deal found 27/4£817
Mon 11/520:00
SOU
-
NRT
2 stops32h 35m
Multiple Airlines
Sat 16/518:15
NRT
-
SOU
2 stops46h 25m
Multiple Airlines
Deal found 30/4£825
Fri 12/617:20
SOU
-
NRT
2 stops35h 10m
Multiple Airlines
Fri 19/618:00
NRT
-
SOU
2 stops33h 30m
Multiple Airlines
Deal found 29/4£835
Thu 11/609:20
SOU
-
NRT
2 stops43h 10m
Multiple Airlines
Thu 18/618:00
NRT
-
SOU
2 stops33h 30m
Multiple Airlines
Deal found 27/4£850
Tue 5/520:00
SOU
-
NRT
2 stops32h 35m
Multiple Airlines
Tue 12/518:15
NRT
-
SOU
2 stops46h 25m
Multiple Airlines
Deal found 30/4£851
Sun 7/620:00
SOU
-
NRT
2 stops32h 30m
Multiple Airlines
Mon 15/617:40
NRT
-
SOU
2 stops31h 10m
Multiple Airlines
Deal found 28/4£856
Mon 15/619:20
SOU
-
HND
2 stops52h 30m
Multiple Airlines
Mon 22/609:25
HND
-
SOU
2 stops36h 20m
Multiple Airlines
Deal found 30/4£882
Fri 17/720:00
SOU
-
NRT
2 stops56h 45m
Multiple Airlines
Fri 31/718:00
NRT
-
SOU
2 stops46h 35m
Multiple Airlines
Deal found 29/4£930
Wed 10/620:00
SOU
-
KIX
2 stops31h 50m
Multiple Airlines
Wed 17/618:40
KIX
-
SOU
2 stops30h 10m
Multiple Airlines
Deal found 26/4£958
Wed 10/606:45
SOU
-
KIX
2 stops20h 55m
Multiple Airlines
Tue 23/622:25
KIX
-
SOU
2 stops22h 30m
Multiple Airlines
Deal found 30/4£961

Find flight deals from Portsmouth to Japan

Keep the following information in mind while searching for Portsmouth to Japan flight deals. Data was last updated 1 May 2026.

Round-trip from

£766

One-way from

£713

Popular in

August

Cheapest in

November

Average price

£627
15/6-22/6
  • 15/6-22/6
  • 4 total stops
  • 88h 35m total
  • Portsmouth to Japan
Search Deals
Qatar Airways
  • Qatar Airways
  • 6/8
  • 2 total stops
  • 39h 10m total
  • Portsmouth to Japan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 May 2026.
Use the filters below to find and compare flights from Portsmouth to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

Mon 15/6

19:20-09:10

2 stops53h 50m

Tokyo Narita

Mon 22/6

11:00-13:45

2 stops34h 45m

£766

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

Fri 12/6

17:20-12:30

2 stops35h 10m

Tokyo Narita

Fri 19/6

18:00-19:30

2 stops33h 30m

£835

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

Mon 15/6

19:20-07:50

2 stops52h 30m

Tokyo Haneda

Mon 22/6

09:25-13:45

2 stops36h 20m

£882

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

Fri 17/7

20:00-12:45

2 stops56h 45m

Tokyo Narita

Fri 31/7

18:00-08:35

2 stops46h 35m

£930
Fastest return journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 10/6

06:45-11:40

2 stops20h 55m

Osaka Kansai Intl

Tue 23/6

22:25-12:55

2 stops22h 30m

£961

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 12/6

19:55-12:45

2 stops32h 50m

Osaka Kansai Intl

Fri 19/6

14:20-12:00

2 stops29h 40m

£981

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

Sat 13/6

09:20-23:55

2 stops54h 35m

Tokyo Haneda

Sat 20/6

22:50-19:30

2 stops52h 40m

£1,071

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 10/6

09:20-18:30

3 stops25h 10m

Osaka Kansai Intl

Wed 17/6

14:20-20:45

2 stops38h 25m

£1,097

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

Mon 8/6

20:00-12:55

2 stops32h 55m

Tokyo Narita

Mon 22/6

17:25-19:30

2 stops34h 05m

£1,166

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

Mon 8/6

20:00-23:55

2 stops43h 55m

Tokyo Haneda

Mon 22/6

22:50-19:30

2 stops28h 40m

£1,167

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 32 resultsSorted by cheapest first
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Best time to book a flight from Portsmouth to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Portsmouth with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Japan

What is the cheapest time of day to fly from P0R to JP?

Find hourly flight availability from Portsmouth to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2026.

It’s optimal to fly from Portsmouth to Japan in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from Portsmouth to Japan?

Use this chart to determine the cheapest time to fly return from Portsmouth to Japan. Price data was last updated on 25 April 2026.

Travellers seeking maximum savings on their Portsmouth to Japan flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated 1 May 2026.
Check out reviews from past customers who have flown with KLM from Portsmouth to Japan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,511 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Japan?

    Qatar Airways can get you from Portsmouth to Japan in just under 32h 55m. Your travel time can differ by up to . There are 6006 mi between Portsmouth and Japan.

  • What are the most popular routes from Portsmouth to Japan?

    When deciding which route to take from Portsmouth to Japan consider Southampton Eastleigh - Tokyo Narita, Southampton Eastleigh - Tokyo Haneda or Southampton Eastleigh - Osaka Kansai Intl as they are the most popular.

  • Can I find deals for flights from Portsmouth to Japan that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Japan.

  • Can I find deals for business class flights from Portsmouth to Japan?

    Yes. Cheapflights offers flight deals from Portsmouth to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Portsmouth to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Japan

Discover the top 10 airlines that operate flights from Portsmouth to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£332Average£664FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£382Average£569FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Austrian AirlinesCheapest£399Average£797FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
EmiratesCheapest£558Average£1,171FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air IndiaCheapest£588Average£676FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£650Average£984FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest£673Average£862FlexibilityNo cancel feeOn-time79%
Search SWISS flights
ANACheapest£685Average£1,152FlexibilityNo cancel feeOn-time80%
Search ANA flights
KLMCheapest£700Average£1,128FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£713Average£918FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Japan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Japan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Japan?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Japan.

Can Cheapflights find flights from Portsmouth to Japan with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Japan with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Japan become cheaper?

Of course! You can now track prices for flights from Portsmouth to Japan and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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